The Lyman series of hydrogen corresponds to electron transitions from higher levels to n = 1 . What is the longest wavelength in that series? (h = 6.63 10-34 Js. The ground state of hydrogen is at 13.6 eV.)
a. 91.4 nm
c. 456 nm
b. 273 nm
d. 122 nm
Question 2
The Paschen series of hydrogen corresponds to electron transitions from higher levels to n = 3 . What is the longest wavelength in that series? (h = 6.63 10-34 Js. The ground state of hydrogen is at 13.6 eV.)
a. 822 nm
c. 1880 nm
b. 365 nm
d. 1094 nm
An electron micrograph from an experiment demonstrating the function of a tight junction
Carrie Mae Weems, A Negroid Type, from the series From Here I Saw What Happened and I Cried.
Hydrogen Bond
Electron Microscope
Electron Microscope
An electron micrograph of chloroplast DNA (cpDNA) derived from lettuce